The 15 companies that flooded your inbox with the most email spam in 2015

Unroll.Me, a nifty app that helps you kill annoying email subscriptions, has released its annual list of the worst email spam offenders for 2015.

Deals companies Groupon and LivingSocial took the top spots for most emails blasted off, but social media giants and clothing companies filled out much of the rest.

As far as the "most unsubscribed" companies, the top three were StumbleUpon (43%), Live Nation (38%), and Goodreads (35%). Twitter was the only company to make both lists, sending an average of 173 emails per user and getting a 35% unsubscribe rate.

The 15 companies that flooded your inbox with the most email spam in 2015

1. Clear your browser history

Some retailers might sneakily increase prices based on your browsing patterns and demand - so make sure to always clear your history and cookies before shopping!

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2. Use an alternate email address

When you log in to a retailer's site with a new email address, retailers will often welcome you as a new customer with exciting new promotions and discounts.

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3. Note price changes throughout the week

Another pro tip: Prices and deals can fluctuate based on the day of the week. For instance, if you're purchasing a flight, monitor prices for around a week to see if they take a dip on any particular day before purchasing.

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4. Let items linger in your cart

Here's a hack: Add items to your cart, but let them sit for 24 hours before purchasing. The retailer might attempt to lure you back with additional discounts.

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5. Check out multiple sites

Do some research! Don't settle for the first price you see - poke around on a search engine and find the best deal.

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6. Bargain with customer service

Use customer service to your advantage. If you ask (politely!) about an expired coupon, you'll often find yourself pleasantly surprised by an extension or new code!

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7. Don't purchase impulsively

Try this shopping hack - don't buy that shiny, new toy right away. Step away for a few hours, and if you find yourself itching to go back and click 'purchase', then you know you won't regret your investment!

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8. Avoid shipping fees

Take advantage of free shipping! If you are a few dollars below the free shipping price point, add a low-cost filler item you need anyway (like socks!) and make the math work out in your favor.